Two urban music superstars dominate this week, with Beyoncé's surprise new album Lemonade getting off to a great start, while Prince's catalogue surges in the first full week following his death.

Lemonade suddenly appeared on Saturday and although it has only been released digitally to this point, it debuts atop the chart in Flanders, Ireland, the Netherlands and the UK, while opening at No.2 in New Zealand and Sweden, No.3 in Germany, No.6 in Italy, No.7 in France and ...